Sheep manure mixed with chemical fertilizers can increase maize yield and quality, as well as improve soil nitrogen distribution. An experiment in 2020 showed that combining sheep manure with chemical fertilizers resulted in higher maize yields compared to using only sheep manure or no fertilizer. The mixture also increased the fat and protein content of maize kernels. Additionally, the combined application improved the productivity and utilization rate of nitrogen fertilizer, leading to increased crop yields and farmers' income.